Granted Patent
Utility
US 4,702,355 · App. 06/742,408
Shock absorber with hole-on-groove configuration and with adjusting device
Inventor:
Robert J. Heideman
Patented Case
View Patent ↗
Granted: Oct 27, 1987
Filed: Jun 7, 1985
Inventor
Robert J. Heideman
Assignee (at issue)
Enertrols, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.